<?php
namespace app\index\controller;
use think\Controller;

class Base3 extends Controller{
    
    function _initialize(){

        $this->assign("select_tab","");
    }
    
 public function __construct(){
      parent::__construct(); //调用父类的构造方法
  }
  
  
  public  function param_error()
    {         
        $_arr['flag'] = -1;
        $_arr['msg'] = '参数错误';
        $_arr['data'] = '';
        return json($_arr);
    }
    
    protected function returnError($errorMsg='',$data='')
    {
        $_arr['flag'] = -1;
        $_arr['msg'] = $errorMsg;
        $_arr['data'] = $data;
        return json($_arr);
    }
    
    protected function returnAlert($alertMsg='',$data='')
    {
        $_arr['flag'] = 1;
        $_arr['msg'] = $alertMsg;
        $_arr['data'] = $data;
        return json($_arr);
    }
    
    protected function returnOk($data='',$msg='')
    {
        $_arr['flag'] = 0;
        $_arr['msg'] = $msg;
        $_arr['data'] = $data;
        return json($_arr);
    }

    public function _empty()
    { 
        $this->redirect("Error/index");
    }


}